A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a maximum of 5 percent slope on the inside face of the flanges.
NSN 6105-00-257-2505
NSN 4140-00-031-2642
NSN 6145-01-619-7029
NSN 6620-01-355-4339
NSN 5996-00-205-2933
NSN 5925-01-391-4986
NSN 6240-01-398-6049
NSN 5915-01-233-7056
NSN 5910-01-354-7839
NSN 6145-01-144-4013
NSN 6685-01-046-6768
NSN 6150-01-233-3715